Heroes of the Storm Wiki

Medivh using Poly Bomb

Polymorph is a debuff (a negative effect) that makes the player unable to attack and Silences them for a period of time.


  • Brightwing's ability, "Polymorph", polymorphs an enemy for 1.25 seconds.
  • Medivh's level 10 heroic ability, "Poly Bomb", polymorphs an enemy hero for 2 seconds. On expiration, "Poly Bomb" can spread to nearby enemy heroes.
    • His level 20 talent, "Glyph of Poly Bomb", decreases "Poly Bomb"'s duration to 1 second.


  • The Core on Garden of Terror creates curses underneath enemy heroes that polymorph them for 3 seconds.
Attack_ Attack damage icon.png Basic Attack (Attack range icon.png Attack RangeAttack speed icon.png Attack Speed) • Ability (Resource (Unitstatus icon mana.png Mana) Spell power icon.png Spell PowerCooldown)
Defense_ Unitstatus icon health.png HealthHealth RegenerationHealing (Healing modifierLifesteal) • ShieldPhysical armor icon.png Armor
Utility_ Move speed icon.png Movement speed
Buffs_ Absorbing icon.png AbsorbingEvade (Parry) • HealingInvulnerable icon.png InvulnerableProtected icon.png ProtectedStasis icon.png StasisStealthShieldsUnkillable icon.png UnkillableUnstoppable icon.png UnstoppableUntargetable
Debuffs_ Attack SlowBlinded icon.png BlindCrowd controlDamage over TimeKnockbackRevealed Icon.png RevealedRooted icon.png RootSilenced icon.png Silence (Feared icon.png FearMindcontrol icon.png Mind ControlPolymorphed icon.png PolymorphTaunted icon.png Taunt) • SlowStunned icon.png Stun (Sleep icon.png Sleep) • Stopped icon.png Time Stopped